Molekula Potassium hydrogen phthalate
Specification & product details.
Potassium hydrogen phthalate (KHP) is a high-purity organic acid salt widely used as a primary standard in acid-base titrations, pH buffer preparation, and…
CAS number: 877-24-7
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Specifications
| Property | Value |
| Appearance | White powder |
| Loss on Drying | ≤ 0.1% |
| Assay | ≥ 99.0% |
| Lead (Pb) | ≤ 0.001% |
| Identification (IR) | Conforms to Reference |
| Ammonium (NH4+) | ≤ 0.01% |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
| SKU | 13173220 |
| CAS Number | 877-24-7 |
| IUPAC Name | potassium 2-carboxybenzoate |
| EC Number | 212-889-4 |
| Molecular Formula | HOOCC6H4COOK |
| Molecular Weight | 204.22 |
| Exact Mass | 203.9825 |
| SMILES | C1=CC=C(C(=C1)C(=O)O)C(=O)\[O-\].\[K+\] |
| InChIKey | IWZKICVEHNUQTL-UHFFFAOYSA-M |
| InChI | InChI=1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1 |
| PubChem CID | 23676735 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2917.39.7000 |
| Tariff Code | 2917398590 |
Safety & GHS
Precautionary statements
- P280Wear protective gloves/protective clothing/eye protection/face protection
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Alternative names
1,2-Benzenedicarboxylic acid, monopotassium salt; 1,2-Benzenedicarboxylic acid, potassium salt (1:1); Hydrogen potassium phthalate; KHP; Monopotassium phthalate; Phthalic acid monopotassium salt; Potassium acid phthalate; Potassium biphthalate; Potassium phthalate monobasic; potassium;2-carboxybenzoate
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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